"I suspect that swearing taps into a defensive reflex in which an animal that is suddenly injured or confined erupts in a furious struggle, accompanied by an angry vocalization, to startle and intimidate an attacker."
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Steven Pinker, on Why the #$%! Do We Swear? Relating our common use of profanity to someone sitting on a cat.
(via Scientific American)
(via jtotheizzoe)